<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 静态方法,  类.方法()     不需要实例化
        // Math.radom()     String.fromCharCode()
        class Student{
            static eat(){
                console.log("我爱吃饭!");
            }
        }
        Student.eat();
    </script>
</body>
</html>